Expand Glitch operations hub, cabinet authoring, deployment, and RFID support

Operator hub
- Introduce Escape Gallery branding and Glitch: the Dark Machine room views
- Add cabinet illustrations, Pac-Man marquee/gameplay artwork, and waiting states
- Add device feedback panels with RFID readings, input/output states, and stale status
- Add logged operator hardware interventions with request deduplication

Room and cabinet authoring
- Add a visual custom-PCB connection editor with per-cabinet device inventory
- Support device IDs, bindings, wiring notes, input polarity, and validation
- Add physical-room label/dimension toggles and editable doorway annotations
- Preserve doorway changes through undo, save, and revert
- Expand cabinet profiles, room layout, and Glitch scenario resources

Scenarios and gameplay
- Add per-assignment game configuration and runtime feature validation
- Add timed test wins and Frogger individual-home objectives
- Add the three-cabinet timed/score/Frogger test scenario
- Add Cabinet 1 Pac-Man RFID credits, credit sound, and CREDIT 0/1 display
- Require physical Start after an accepted scan and prevent duplicate credits

Pi hardware and deployment
- Add GPIO feedback sampling and a separate multiplexed RFID helper
- Validate reader pin ownership and input/output conflicts
- Add SSH cabinet startup and Pi desktop-session service support
- Add master packaging, site setup, SSH enrollment, and staged cabinet releases
- Verify deployment manifests and support explicit activation/status/log commands

Documentation and verification
- Consolidate the root README around the current architecture and setup workflow
- Add the complete master/Pi/RFID export and deployment walkthrough
- Document network isolation, credentials, card identification, and rollback
- Add PCB, room-editor, feedback, credit, deployment, and controller tests
- Isolate protocol tests from designer-edited cabinet configurations

Known limitations
- RFID helper compilation and physical Pi commissioning remain unverified
- Fleet provisioning does not yet configure RFID-only installations completely
- Broader Pac-Man tests retain a ghost-capture assertion failure
- Staged exports must be rebuilt and checked before deploying runtime 2.3

core/scenarios/scenario_assignment.gd

@@ -9,6 +9,8 @@ extends Resource
 @export var variant: StringName = &"standard"
 ## Managed controller: load and auto-start only after this cabinet wins.
 @export var activate_after_win: StringName = &""
+## Per-assignment objectives; empty uses the game defaults.
+@export var game_config: Dictionary = {}
 
 @export var event_mappings: Array[ScenarioEventMapping] = []
 

core/scenarios/scenario_edit_session.gd

@@ -154,6 +154,7 @@ func _create_working_copy() -> void:
 		)
 
 		assignment.activate_after_win = source_assignment.activate_after_win
+		assignment.game_config = source_assignment.game_config.duplicate(true)
 
 		assignment.event_mappings = (
 			_duplicate_mappings(
@@ -260,6 +261,7 @@ func _capture_scenario_state(
 			"game_id": StringName(),
 			"variant": assignment.variant,
 			"activate_after_win": assignment.activate_after_win,
+			"game_config": assignment.game_config.duplicate(true),
 			"event_mappings": [],
 		}